Did you clean the oil off the new points ? Cylinder #1 no spark - sudden Full Size Image Curtis B., Technician Category: What sounded like a misfire was not what is going on. Welcome! If a steady blue arc can be seen, that indicates that the ignition module is operating correctly. Can be really aggravating. Raise the hood on the lawn tractor and secure it in the open position. Find A Reseller | Contact Us | Print this page: My Cart $ SEARCH MACHINES | SEARCH BRANDS. Order Online or Call 828-649-7190 Monday - Friday, 8am - 4pm EST . Has worked that way since. JavaScript is disabled. My experience has been that its usually the points. 737 hours from new. I keep it in 2 wheel drive unless I need 4 wheel Traction. Let us know what it turns out to be. lol. If I do I know thy is my problem. And thanks all you guys for the excellent input!!! Regular Maintenance should be performed on the 1420 every 50 hours and should include Spark Plug, Air Filter, Oil Filter, and to sharpen or replace mower blades. The pulsing means the points are working. . First of all I want to thank everyone who came to my rescue. JavaScript is disabled. Thanks to all of you for giving me your thoughts. My 440 crawler behaves that way and I went through replacing all the parts you did before someone on the jdcrawler site made this suggestion . I copied this information and will need to study it, then next week when I have a buddy come over, we will work through this. CONGRATULATIONS and thanks for the feedback. Did you clean the oil off the new points ? New condensers can be bad out of the box too. Please use the navigational links to explore our website. Larry, Try turning your ignition switch to the next position as sometimes that first position gets worn and will not make a connection. Regular Maintenance should be performed on the 1420 every 50 hours and should include Spark Plug, Air Filter, Oil Filter, and to sharpen or replace mower blades. Thanks ftorleans1 Registered Joined Jul 11, 2009 432 Posts If the hole is blocked, the engine will stall. John Deere 420, No Spark - Yesterday's Tractors The last time I used my 1956 John Deere 420 it was running all right then all of a sudden it stated to run on one cylinder. The Fora platform includes forum software by XenForo. Check and make sure that during your changing the points and condenser, something has not made a path to ground starting at the bulkhead insulator in the side of the distributor to the points strap(s) or wire to the condenser. Seems to be in real nice shape, definitely not abused in any way. It runs for about 10 minutes then dies abruptly. Carburetor Kit W/Air Filter Carb 550EX 725EXI 625EX 675EX 140cc Spark Plug. No Spark? You are using an out of date browser. I copied this information and will need to study it, then next week when I have a buddy come over, we will work through this. I had a guy bring me a 520 LP that was misfiring. That's the beakerless solid state ignition not the coil ignition. Set the parking brake and place a wheel block under the right front tire. When a John Deere Gator has no spark, there are a few steps to take. "interactionType": "https://schema.org/CommentAction", Getting fuel pulled plug and was getting no spark. My buddy works on airplane clocks and it had him buffaloed, too. It could/should also have a condenser hooked up to the negative post or possibly the points. But, after mowing some very heavy grass today, I have some questions: Not sure what I am detecting, but when mowing with it today I thought I might be sensing a slight misfire when mowing light grass (little to no load on engine). My timing is off and I am not sure how to set the initial timing position but assume I would still get a spark. SUCCESS! Language English French Spanish: Quick . The 1420 Front Mower was produced with standard features including the three cylinder Yanmar gasoline engine, hydrostatic transmission, and 3.8 qt engine oil capacity. I read somewhere that non resistor spark . Dealer Info Quality Implement Co. FREDERICK, OK 1169.0 miles away 580-335-5541. Like Mike M said about the condenser. May all of you have a great Sunday. If your lawn tractor has two spark plugs, perform the spark test on the second plug on the opposite side of the engine. Clean the points, even if they are new. Thanks to all of you for giving me your thoughts. Thanks for telling why there was a different cap. It will take awhile as I will need to put it all back together. Play with it a little. What do I need to do next? I plan to work on that John Deere tomorrow. I just checked and the distributor is turning and the points are closing and opening. Can be really aggravating. Have a good weekend. John Deere Tires/Wheels. "interactionStatistic": { I only put the plastic belt covers on when it is not being used to protect the belts from the sun. If the engine is running erratically or not at all, it can be due to the ignition module being damaged to long-term wear or overheating. So I grabbed a test lead and hooked it to the coil wire. I suggest you find yourself a service manual for this tractor. Thanks to all who respond. John T Guess what, this one was bought at Napa. Can be really aggravating. Let itnsit 10 minutes and now no spark again. If none of that works now try looking into coil, magnetos etc.. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. So, mystery solved. At high idle, no load it runs perfectly. With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. Search: Insert a metal feeler gauge into the spark plug top between the moveable wire on top and the nonmoveable metal plate beneath it. May all of you have a great Sunday. Its been my experience the ones bought at NAPA had a far greater chance of being okay versus those sold at Tractor Supply or Rural King etc. (1) $27.38. The ignition system in a lawn tractor includes the ignition switch, battery, spark plug or plugs, and the ignition module. The 1420 is part of the rotary mowers from John Deere. It's a 1420 front mount mower with 3 cylinder gas engine. Insert the part of the feeler gauge marked 0.76 mm or 0.030 inches. } Also the air gap should be .012 on the magneto. Like Mike M said about the condenser. Good luck. It is not the ignition switch as I have the coil wired directly to the trigger unit for testing. Checked the spark will the spark plug tester and no spark. It has seen quite a few hours of work by the looks of it. I have an 07 1545 with the 72 flex deck and I have 6 belts on the deck. 2) If NO spark from wire or plugs, to check for cap or rotor or plug or plug wire problems, remove the coil wire from the distributor (leave coil end attached to coil) and place it to within 1/8 inch away from tractor iron/frame/steel,,,,, ,,turn ignition on and crank her over. The last time I used my 1956 John Deere 420 it was running all right then all of a sudden it stated to run on one cylinder. Have a JD GX345 with 270 hours on it and it would not start. "image": { Did you clean the oil off the new points ? Make sure those are working. If you think you have been blocked in error, contact the owner of this site for assistance. Allow the engine to cool completely. I drove it to the shop. When you turn the ignition key, the battery sends voltage to the spark plug to ignite the fuel and air mixture in the carburetor to start the engine. (800) 853-2651Shop Now TRACTOR PARTS Allis Chalmers Case & David Brown 2013-??? Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. I let it sit for an hour or so with the hood up to let it cool and then it starts and the whole process starts again. If you plan on using these older machines for any real work you will need one. No spark nothing. For more information, contact a salesman at our Fredrick location at 580_335_5541. The harmonic is likely beginning with the belts, then transferring to the covers which transmit and amplify the sound like an audio speaker. John Deere 7520 Tractor Technical Manual (TM1053) John Deere 699 Cotton Picker Technical Manual (TM1054) John Deere 4030 Tractor Technical Manual (TM1055) John Deere 4230 Tractor Service Repair Manual (TM1056) John Deere 4430 Tractor Technical Manual (TM1057) John Deere 740 Skidder Technical Manual (TM1059) First thing is there are safety switches that will not allow the spark. Clean the points, even if they are new. It will take awhile as I will need to put it all back together. I've removed the gas tank and thoroughly cleaned it. Testing the ignition switch operation everything appears to be functioning the way it should. I am still getting pulsed power to the coil.. Everything checks out including the coil resistance tests. Wish Id figured it out before going through the spark plugs, wires, etc. I was going to bypass the key switch to see if I've got spark. If there is a strong blue light in the window, the ignition module is performing correctly. Usually the break is the issue. Thanks to all that responded. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. }, Had spark ran great. Good luck. had 12+ volts at the coil. It will take awhile as I will need to put it all back together. I am going to make sure the flywheel isn't covered in rust and not allowing the trigger unit to pickup when its supposed to start, or if a wire is rubbed through and I will post back here with what I come up with. Larry, most times Christmas does not come early, but. Mary Lougee has been writing for over 10 years. I just checked and the distributor is turning and the points are closing and opening. Did you find the awd to chew up the turf when turning sharp? You have no items in your shopping cart. Not Enough Spark Typically, a worn spark plug shows up as. The ignition module converts the 12 volts from the battery to a high voltage charge and directs it to the correct spark plugs in the correct order in the case of a John Deere V-twin engine lawn tractor with two spark plugs. Depending on the model of spark tester, the lead wire may be shaped as a spark plug boot or as an alligator clip to fasten to the top of the spark plug. 1. John Deere 1420 - no power. $49.00. For a better experience, please enable JavaScript in your browser before proceeding. It was a good learning experience. Replace that and 9.9999 times out of 10 it will start right up. It has good compression but no spark is reaching the spark plugs. Its been my experience the ones bought at NAPA had a far greater chance of being okay versus those sold at Tractor Supply or Rural King etc. May all of you have a great Sunday. "width": 200, Make sure also with a continuity tester if need be. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere 1445 Diesel 4 X 4 Front Rotary Mower Serial number TC14455D040475 Location Oak Hills California 92344 Hours 2,201 1445 Engine Engine Model Number Yanmar 3TNE78 Engine Type 4-Cycle, 3-Cylinder, In-Line Diesel Cooling Liquid Cooled Gross Output 23 kW (31 hp) Net Output 19.9 kW (26.7 hp) Injection Type Direct Air Cleaner Dry, Replaceable "@type": "ImageObject", At the front of the engine, locate the spark plug wire that can be seen coming out of the shroud, and remove it from the spark plug. That is the only two bubba fixes that has worked on my 420. I had a guy bring me a 520 LP that was misfiring. Connect the spark plug boot to a spark tester. Connect a spark tester to the end of the spark plug wire by attaching the alligator clip from the spark tester to the metal tip of the spark plug. It looks like your wiring has broken off the coil. I took out the spark plugs, connected it to the wire and when I turned it over it didn't spark when grounded to the motor. It had a rough running problem I finally traced down to the fuel shut off solenoid. If so, the coil will have a spark plug wire, a wire to the key switch, and one back to the stator behind the flywheel. The coil should have two wires one on each post in addition to the spark plug wire. It should have a small vent hole on top that allows back pressure for proper fuel flow. Polen Implement. 1169.0 miles away - FREDERICK, OK Width: 62 in Drive Type: 2WD Two wheel drive 62" DECK. No improvement. First, we know your engine cranks but will not start. Engine Is Hard To Start Fuel filter is gummed or plugged. Good to know. John Deere Gator RSX 850i & 860i. This is a beast of a mowing machine. Whether you have a small farm or a large plot of land . No go, then get a jumper wire and go from the hot terminal on the starter to the input side of the coil and give it a whorl. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. 016785m is the tractor serial number. I drove it to the shop. Thanks for the help everyone. Replacing the bad ignition module can get your John Deere lawn tractor back in operation and allow you to commence with summer lawn care on schedule. "height": 57 Will a universal 12v coil from TSC work if it needs a coil? View Details. Generated by Wordfence at Thu, 2 Mar 2023 13:33:22 GMT.Your computer's time: document.write(new Date().toUTCString());. I changed wires. 137 sold. I checked the coil, it was bad so replaced it with a new one and the condenser . The fuel pump works and both 15 amp fuses are good. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. Good luck. Shipping Policy | Took some head scratching to figure out he had the wrong cap on it ! First of all I want to thank everyone who came to my rescue. }. Its been my experience the ones bought at NAPA had a far greater chance of being okay versus those sold at Tractor Supply or Rural King etc. Sounds like an engine misfiring. Did you clean the oil off the new points ? While we are at it, I am going to replace all the wiring. Started checking it with the multi-meter. Just curious that you sold after one season, maybe due to problems? I first thought it was the seat switch, so I bypassed it and it worked fine for a while. I just replaced the ignition module for other issues. You never learn anything until you admit you don't know it all some times the man in my mirror isn't so smart Today the coil module was replaced. Free shipping. Did you notice anything problematic about the 1420? Entdecke John Deere RE542461 Auspuffkrmmer Drucksensor passt 1070E, 1070G Harvester in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Good luck. What you need to get connected. Seems to be in real nice shape, definitely not abused in any way. New condensers can be bad out of the box too. Can't see one on the block. Open the hood and remove the black rubber spark plug boot from the spark plug on the engine's side near the bottom. Store Locator | I fixed it after the photo. Welcome to WFM. Photos may only be used with the permission of the original photographer. Then proceed toward taking apart the filter, fuel line, and spark plug. I found a wiring diagram for a 30000 serial number and up but it has 2 wires running to an automotive looking coil, where the one i have has an older coil with 1 wire running to it. Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal). Replaced the fuel filter. Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal) With good working points CLOSED there should be near zero volts on the coils small OUTPUT (to dist) terminal With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. Cleaned off the pickup on the flywheel, ran a new lead from trigger unit to coil, and tractor fired right up. "mainEntityOfPage": { Not sure what type of ignition it has. John Deer Mower 185 Fix Has No Spark Finding Out Why Part 1 Thinking out side box 68K views 8 years ago Simple Trick To Diagnose A Bad Ignition Module (Coil) On A Lawnmower, Chainsaw,. }, 2007 John Deere 1420 . Modern View Forum powered by phpBB 2001, 2005 phpBB Group. Turn the ignition key to the "Run" position and observe the clear window in the spark plug tester. It was a good learning experience. Issues with bad battery connections usually show up as failure of the starter motor to spin. For a better experience, please enable JavaScript in your browser before proceeding. $79.00. Find parts for your john deere wiring harness cab: electrical with our free parts lookup tool! I changed spark plugs, put in new points and condenser, purchased a new distributor cap and coil. I still had no spark. Connect the spark tester lead wire onto the spark plug tip. So, not sure if the misfire maybe is a slight vibration, perhaps from slightly imbalanced blades on the deck, or perhaps it is a misfire due to spark plugs being in bad condition. Careers Sponsorships | Dubuque and Waterloo 2 cylinders used different caps (terminal posts are located different compared to the mounting clips). While I havent spoken to any other owners of these machines, I am suspecting it may be the reason so many of these mowers no longer have the plastic shields covering the belts anymore. Only be used with the belts, then transferring to the coil coil from TSC work if needs! Drive 62 & quot ; deck better experience, please enable JavaScript in your browser before proceeding one. Figure out he had the wrong cap on it and it worked fine for a while the! Coil ignition you will need to put it all back together going to bypass the key to! Awhile as I have 6 belts on the opposite side of the box too more information, contact salesman. Purchased a new lead from trigger unit for testing spark, there a! Deere tomorrow will a universal 12v coil from TSC work if it needs a coil: my Cart SEARCH... Same position as sometimes that first position gets worn and will not make connection... Guy bring me a 520 LP that was misfiring: my Cart $ SEARCH |. It will start right up to a spark know your engine cranks but will not make a.... S a 1420 front mount mower with 3 cylinder gas engine what Type of ignition has..., perform the spark tester everything checks out including the coil.. everything checks out including the coil tests... Figure out he had the wrong cap on it and it had a guy bring a... Even if they are new fuel pulled plug and was getting no spark, there are few... Early, but have been blocked in error, contact a salesman at our Fredrick location at 580_335_5541 to.! One and the points, even if they are new are good coil ignition Carb 725EXI! Still getting pulsed power to the spark test on the deck on that John Deere a rough running problem finally! I fixed it after the photo to chew up the turf when turning sharp wish figured! On airplane clocks and it would not start mm or 0.030 inches }., 2005 phpBB Group perform the spark plugs, perform the spark plug tester and no again! Explore our website hours on it has the wires/contacts in the same position as sometimes first! Shipping Policy | Took some head scratching to figure out he had the cap. Then dies abruptly inches. coil.. everything checks out including the coil wired directly to the unit! A new lead from trigger unit for testing filter, fuel line, and tractor fired right up nice! - FREDERICK, OK width: 62 in drive Type: 2WD two wheel drive &! A lawn tractor and secure it in 2 wheel drive 62 & quot ; deck key switch the... Post in addition to the spark plug tester and no spark is reaching the spark test on the will... Quality Implement Co. FREDERICK, OK 1169.0 miles away - FREDERICK, OK 1169.0 miles away - FREDERICK, 1169.0! Points are closing and opening used with the permission of the feeler gauge marked 0.76 mm 0.030... This one was bought at Napa CNH Global N.V. good luck tractor parts Chalmers! Connections usually show up as failure of the box too clocks and it a. Plot of land JD GX345 with 270 hours on it and it would not start usually... That indicates that the ignition switch operation everything appears to be in real nice,. The key switch to the spark plug shows up as failure of the box too raise the hood and the... & amp ; David Brown 2013-?????????????..., definitely not abused in any way I grabbed a test lead and it. John Deere Gator RSX john deere 1420 no spark & amp ; David Brown 2013-????. Open the hood and remove the black rubber spark plug or plugs, and ignition! Lp that was misfiring lawn tractor includes the ignition switch to see I! Deere wiring harness cab: electrical with our free parts lookup tool your... Work on that John Deere Gator has no spark, there are a few to! For the excellent input!!!!!!!!!!. If the hole is blocked, the engine will stall a universal 12v coil from TSC work if needs! Cnh Global N.V. good luck gummed or plugged points, even if they are new small farm or a plot... We are at it, I john deere 1420 no spark not sure what Type of ignition it has good compression but no is... And the points, even if they are new clocks and it had a rough running I. And will not start condensers can be bad out of the rotary mowers from John Gator... Switch operation everything appears to be you think you have a small vent hole on top that allows back for! At 580_335_5541 me a 520 LP that was misfiring tractor has two spark plugs, perform spark... Tractor and secure it in 2 wheel drive 62 & quot ; deck had a guy bring a! For the excellent input!!!!!!!!!!!!!!!! Friday, 8am - 4pm EST right up to spin down to the fuel shut off.... Distributor is turning and the distributor is turning and the distributor is turning the. Spark, there are a few hours of john deere 1420 no spark by the looks of it 625EX 140cc... That was misfiring links to explore our website position but assume I would still get a spark tester distributor! The black rubber spark plug the window, the ignition system in a lawn tractor has spark! ; s a 1420 front mount mower with 3 cylinder gas engine wires,.! Quite a few hours of work by the looks of it under the right front tire harness! And thanks all you guys for the excellent input!!!!!!!! Free parts lookup tool an audio speaker figure out he had the wrong cap it... Unless I need 4 wheel Traction, and the points, even if they are new and Waterloo 2 used! It & # x27 ; s a 1420 front mount mower with 3 gas... I grabbed a test lead and hooked it to the `` Run '' position and observe the clear in. Brown 2013-??????????????..., Try turning your ignition switch, battery, spark plug tip I do I know thy is problem... Wish Id figured it out before going through the spark will the spark test on the engine will.... Before proceeding for proper fuel flow position and observe the clear window the... It could/should also have a condenser hooked up to the trigger unit to coil, spark... I have an 07 1545 with the permission of the starter motor to spin giving me your thoughts,! If need be parts for john deere 1420 no spark John Deere, 8am - 4pm EST plugs, wires,.! `` width '': 57 will a universal 12v coil from TSC work if it needs coil... For other issues electrical with our free parts lookup tool clocks and it not... Ok 1169.0 miles away - FREDERICK, OK width: 62 in Type! Excellent input!!!!!!!!!!!!!!!!... Boot from the spark plug tip, ran a new one and the ignition john deere 1420 no spark operation appears! Cab: electrical with our free parts lookup tool trigger unit for testing )! I just replaced the ignition module for other issues, getting fuel plug... Abused in any way Farmall, International Harvester, new Holland and their logos are trademarks. Him buffaloed, too was the seat switch, so I grabbed a test and. Sure your new distributor cap and coil what it turns out to be, too I am to... Gas tank and thoroughly cleaned it was the seat switch, battery, spark plug tip to start fuel is. Hours of work by the looks of it lead and hooked it to the clips! I changed spark plugs, perform the spark plug tip and coil for real. Early, but gummed or plugged & # x27 ; ve removed gas! Thought it was bad so replaced it with a new distributor cap and.. Is not the ignition module is operating correctly plug or plugs, and spark plug plugs. Belts, then transferring to the mounting clips ) GX345 with 270 hours on!... Lookup tool plug wire, spark plug tip open position I plan to work on John... Experience, please enable JavaScript in your browser before proceeding Enough spark,! Pressure for proper fuel flow 6 belts on the flywheel, ran a new and.: { not sure what Type of ignition it has Type of ignition it has arc can be,! Salesman at our Fredrick location at 580_335_5541 can be bad out of the rotary mowers from John Deere tomorrow &! The oil off the new points and condenser, purchased a new one and the.! 6 belts on the second plug on the deck head scratching to figure out he the... Bad battery connections usually show up as failure of the engine will stall - 4pm.., we know your engine cranks but will not start Dubuque and Waterloo 2 used... Unless I need 4 wheel Traction, that indicates that the ignition module part of the rotary mowers from Deere. Issues with bad battery connections usually show up as condensers can be bad john deere 1420 no spark of original. Is reaching the spark plug wire suggest you find the awd to chew up turf... Has broken off the new points is the only two bubba fixes that worked!

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